Nokea
Serum digoxin levels are monitored for potential toxicity. Monitoring should occur:
- A. Within 6 hours of the last dose
- B. Because a reference point is needed in adjusting a dose
- C. After three half-lives from the starting of the drug
- D. When a patient has stable renal function
Correct Answer: C
Rationale: Monitoring after three half-lives (steady state) ensures accurate therapeutic levels.
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The therapeutic goals when prescribing include(s):
- A. Curative
- B. Palliative
- C. Preventive
- D. All of the above
Correct Answer: D
Rationale: Therapeutic goals can be curative, palliative, or preventive , depending on the patient's condition and needs.
Methanol causes blindness due to its
- A. Hypersensitivity reactions
- B. Conjugated products
- C. Idiosyncratic reaction
- D. Oxidative products
Correct Answer: D
Rationale: Methanol's metabolite, formic acid (oxidative product), damages the optic nerve, causing blindness.
Scopolamine can be used to prevent the nausea and vomiting associated with motion sickness. The patient is taught to:
- A. Apply the transdermal disk at least 4 hours before the antiemetic effect is desired.
- B. Swallow the tablet 1 hour before traveling where motion sickness is possible.
- C. Place the tablet under the tongue and allow it to dissolve.
- D. Change the transdermal disk daily for maximal effect.
Correct Answer: A
Rationale: Scopolamine patches require 4 hours for onset, making preemptive application key.
Before administering a prescription medication, what information does the nurse find on the drug label? (Select all that apply.)
- A. Brand name
- B. Generic name
- C. Drug concentration
- D. Adverse effects
Correct Answer: D
Rationale: Prescription drug labels will contain the brand name, generic name, drug concentration, and expiration date. Adverse effects will not be listed on drug labels.
A nurse is preparing to administer tobramycin. Which lab value should be monitored closely?
- A. Liver function tests
- B. BUN and creatinine
- C. Complete blood count
- D. Electrolytes
Correct Answer: B
Rationale: Tobramycin, an aminoglycoside, is nephrotoxic; BUN and creatinine monitor kidney function, critical for safe administration.